A set of two tuning diaphragm inserts for your Pony GTX, Pony Cross, and Cilo Cross moped with a Beta 521 engine.
Removing the center rib creates a larger cross-section, resulting in improved responsiveness and greater low-end torque. The carbon fiber diaphragm plates are sourced from the high-quality manufacturer Polini.
Internal cross-section: 19x9.2 mm
You can find a matching intake manifold and carburetor in the accessories section.
Brand-name product from the manufacturer AKOA.
Alternative to the original Pony part number: A8114
| Manufacturer | AKOA |
| Material | Aluminum |
| Number of flaps | 2 pcs |
| Membrane material | Carbon |
| Width | 33 mm |
| Thick membrane platelets | 0.25 mm |
| Total length | 48 mm |
| Hole spacing | 35 mm |
| Number of fixing points | 2 pcs |
| Area of application | Tuning |
| Alternative version of the Pony OEM number | A8114 |
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (engine) |
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